Ch 14 CSF Flow Pattern

Question 1

The 4 ventricles that make up the brain are called:

Answer 1

-Lateral Ventricles (2)
-3rd Ventricle
-4th Ventricle

Question 2

True or false: the 4 ventricles of the brain are called the parietal (2), 3rd, and 4th ventricles

Answer 2

FALSE,
LATERAL not parietal

Question 3

A cavity existing in the interior of each _ hemisphere is why there are 2 lateral ventricles.

Answer 3

cerebral

Question 4

The largest of the ventricles is/are the _ _.

Answer 4

lateral ventricles

Question 5

The 2 lateral ventricles are separated by the _ _.

Answer 5

septum pellucidum

Question 6

True or False: Each lateral ventricle communicates with the 4th ventricle via the Intervertebral foramen of Monro.

Answer 6

FALSE!!! Not 4th ventricle and not intervertebral!
3rd ventricle and Interventricular foramen of Monro

Question 7

The 3rd ventricle is _ and is found between the _ of each side.

Answer 7

narrow, thalamus

Question 8

The 3rd ventricle communicates with the _ _ via the cerebral aqueduct of sylvius

Answer 8

4th ventricle

Question 9

The Cerebral Aqueduct of Sylvius is found in the _ and helps the 3rd and 4th ventricle communicate.

Answer 9

midbrain

Question 10

The medulla and the pons both house the _ ventricle.

Answer 10

4th

Question 11

The 4th ventricle is continuous with the central canal of the _ which is continuous with the central canal of the _ _.

Answer 11

medulla, spinal cord

Question 12

The CSF made in the ventricles enters the _ _ via the 4th ventricle’s 1 medial and 2 lateral apertures.

Answer 12

subarachnoid space

Question 13

The 4th ventricle’s CSF drains from the central canal of the medulla, central canal of the spinal cord into the subarachnoid space via its 1 _ and 2 _ _.

Answer 13

1 medial and 2 lateral apertures

Question 14

The function of the choroid plexuses that line the ventricles is to _ _.

Answer 14

produce CSF

Question 15

True or False: The entire ventricular system is lined with choroid plexuses which produce CSF

Answer 15

FALSE not all of it,
certain sites in the ventricles

Question 16

True or false: CSF is a clear, yellow-tinged, acellular fluid similar to blood plasma

Answer 16

FALSE,
it is COLORLESS

Question 17

3 functions of CSF:

Answer 17

-cushions and supports brain and spinal cord
-works as a lymphatic system
-works as an environment for neurons

Question 18

Path of CSF: Starts from where it’s made in the 2 lateral ventricles by the _ _ and passes thru the _ _ of _…(1/8)

Answer 18

choroid plexus, interventricular foramen of monro

Question 19

Path of CSF: Continues from the intervertebral foramen of monro and joins the _ produced by the _ ventricle…(2/8)

Answer 19

CSF, 3rd ventricle

Question 20

Path of CSF: Continues from the joining of CSF from the 3rd ventricle and passes through the _ _ of _. (3/8)

Answer 20

cerebral aqueduct of sylvius

Question 21

Path of CSF: Continues from the cerebral aqueduct of sylvius and joins the _ produces by the _ ventricle…(4/8)

Answer 21

CSF, 4th ventricle

Question 22

Path of CSF: Continues from the joining of CSF from the 4th ventricle and passes through the _ of the 4th ventricle into the _ _. (5/8)

Answer 22

apertures, subarachnoid space

Question 23

Path of CSF: Continues from the subarachnoid space traveling upward around the _ and downward around the _ _. (6/8)

Answer 23

brain, spinal cord

Question 24

Path of CSF: After circulating, CSF eventually enters the arachnoid _ where it is reabsorbed then passes thru the _ _. (7/8)

Answer 24

granulations, lateral lacunae

Question 25

Path of CSF: Continues from absorption by the arachnoid granulation thru the lateral lacunae, draining into the _ _ _ and finally into the _ system of the body. (8/8)

Answer 25

superior sagittal sinus, venous system

Question 26

The starting point of the flow of CSF begins in the _ _which is found in the _ ventricle/s.

Answer 26

choroid plexus, lateral ventricles

Question 27

The end point of the flow of CSF terminates at the _ system of the body.

Answer 27

venous system

Question 28

The 3 apertures of the 4th ventricle are called:

Answer 28

-foramen of luschka (2)
-foramen of magendie

Question 29

True or False: CSF from the 3rd Ventricle pass into the Cerebellar Aqueduct of Sylvia

Answer 29

FALSE-not cerebellar, not sylvia
-CEREBRAL aqueducts of SylvIUS